China OEM Solar Panel Flat Roof Mounting System - Square pipe for Solar Tracking System – Rainbow
China OEM Solar Panel Flat Roof Mounting System - Square pipe for Solar Tracking System – Rainbow Detail:
Different solar trackers are designed with different spindle steel tubes, usually in square and circular forms. As an important part of trackers, the square or circular spindle tube require high straightness and distortion. We strictly control the dimension accuracy and surface flatness of hot rolles coils from the material link, and then cut and twist the coils twice after the production of steel tubes is completed. Straightening to ensure that our products fully meet the requirements of the drawings.
Pipe material is usually Q355 or S355. According to customer’s requirements, hot dip galvanizing or pre-galvanizing can be selected.
Torque Square Tube
Material: Q355,S355
Standard: GB/T6728, ASTM A500 Gr.B
Surface: Hot dip galvanized according to ASTM A123, BS4687, GB/T13912, Pre galvanized according to ASTM A653M G90
Specification: 80*80*3MM, 100*100*4MM, 110*110*4MM, 150*150*5MM
Pcking: bundle packing or steel pallet packing, suitable for long ditance ocean transportation
Characters: Our raw material for foundation piles is hot rolled coil from China first -class iron and steel company. Perfect Quality Management System which can track the heat number completely. Our average thickness of hot galvanied znc layer reaches 80 microns, we provide cuatomized packaging and overall packing plan for customers, greatly improving the safety of goods and unloading speed.
Characteristic | tolerance |
Concavo convex degree | Less than 0.6% of the side length and a minimum of 0.4mm |
Twist degree | =2+Total Length (mm)*0.5/1000 |
Right angle | 90°±0.5° |
Straightness | Less than 0.2% of the total length and less than 2mm per meter |
Length tolerance | L(total length)+2mm |
Product detail pictures:










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We have now a specialist, efficiency staff to provide good quality company for our consumer. We normally follow the tenet of customer-oriented, details-focused for China OEM Solar Panel Flat Roof Mounting System - Square pipe for Solar Tracking System – Rainbow , The product will supply to all over the world, such as: Malawi, Thailand, Kazakhstan, Till now, the items list has been updated regularly and attracted clients from around the globe. Comprehensive facts is often obtained in our web-site and you'll be served with premium quality consultant service by our after-sale group. They are likely to help you get thorough acknowledge about our goods and make a satisfied negotiation. Company go to to our factory in Brazil is also welcome at any time. Hope to obtain your inquiries for any pleased co-operation.

This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
